| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,676 |
| Official European Union Languages | 0 | - | 4.97 | 237,153 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,016 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,706 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,607 |
| Slavic Languages | 0 | - | 4.67 | 54,038 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,588 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,602 |
| Celtic Nations | 0 | - | 4.69 | 46,836 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,257 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,265 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,697 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,421 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,713 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,934 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,152 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,474 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,084 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,799 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,281 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,680 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,195 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,602 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,746 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,565 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,454 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,327 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,410 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,942 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,443 |
| States of Germany | 0 | - | 4.96 | 150,409 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,129 |
| Regions of Italy | 0 | - | 4.92 | 74,878 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,922 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,546 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,447 |
| Champions League Winners | 0 | - | 4.92 | 997,646 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,716 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,472 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,610 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,067 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,293 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,847 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,478 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,412 |
| Departments of France | 0 | - | 4.93 | 52,976 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,451 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,395 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,275 |
| England or Wales? | 0 | - | 4.94 | 45,383 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,712 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,307 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,445 |
| Languages of Spain | 0 | - | 4.36 | 23,167 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,144 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,916 |
| History of Russia Quiz | 0 | - | 4.49 | 31,804 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,595 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,549 |
| History of Italy | 0 | - | 4.55 | 31,850 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,260 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,503 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,011 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,447 |
| Top World Languages | 0 | - | 4.92 | 814,300 |
| Australian Capitals | 0 | - | 4.92 | 62,607 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,579 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,215 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,668 |
| Capitals of French Regions | 0 | - | 4.45 | 15,995 |
| Capitals of German States | 0 | - | 4.74 | 28,841 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,124 |
| The Trojan War | 0 | - | 4.83 | 39,475 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,792 |
| Name that Greek Letter | 0 | - | 4.94 | 321,905 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,737 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,121 |
| Roman Emperors | 0 | - | 4.95 | 118,654 |
| Countries by Official Language | 0 | - | 4.95 | 192,959 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,665 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,059 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,397 |
| Countries in their Native Language | 0 | - | 4.99 | 196,815 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,982 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,069 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,263 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,490 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,974 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,938 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,789 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,297 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,046 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,816 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,690 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,068 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,391 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,025 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,661 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,984 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,022 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,655 |
| Country Codes of Europe | 0 | - | 3.46 | 13,660 |
| Regions of France | 0 | - | 4.78 | 119,470 |
| France Immigration by Country | 0 | - | 4.72 | 76,029 |
| Famous Germans | 0 | - | 4.50 | 54,684 |
| German Groups of Things | 0 | - | 4.46 | 38,327 |
| Germany True or False? | 0 | - | 4.61 | 48,569 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,548 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,637 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,898 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,085 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,074 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,947 |
| Asia Map Quiz | 0 | - | 4.99 | 908,099 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,053 |
| European Physical Geography | 0 | - | 4.26 | 33,385 |
| Geography of Russia | 0 | - | 4.57 | 21,441 |
| History of Austria | 0 | - | 4.70 | 17,769 |
| Geography of the French Empire | 0 | - | 4.45 | 26,954 |
| The French Revolution | 0 | - | 4.46 | 23,810 |
| France Multiple Choice | 0 | - | 4.38 | 40,650 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,004 |
| The Vikings! | 0 | - | 4.46 | 28,259 |
| The Portuguese Empire | 0 | - | 4.54 | 12,002 |
| American to British Word Translation | 0 | - | 4.12 | 136,113 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,699 |
| Countries of Africa | 0 | - | 5.00 | 2,511,781 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,928 |
| African East Coast | 0 | - | 4.96 | 95,177 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,048 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,939 |
| Australia Map Quiz | 0 | - | 4.94 | 342,733 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,410 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,330 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,292 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,614 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,784 |
| The Only European Country ... | 0 | - | 4.91 | 214,220 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,797 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,804 |
| Presidents of France | 0 | - | 4.25 | 23,929 |
| History of France | 0 | - | 4.59 | 56,247 |
| Ancient Greek Words | 0 | - | 4.92 | 110,825 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,736 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,970 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,298 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,413 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,372 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,471 |
| Champions League Top 4 | 0 | - | 4.77 | 134,138 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,633 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,875 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,629 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,190 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,750 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,356 |
| German-Speaking Countries | 0 | - | 4.89 | 123,562 |
| Italian Name Translation | 0 | - | 4.81 | 45,253 |
| French-Speaking Countries | 0 | - | 4.85 | 269,059 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,110 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,497 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,793 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,665 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,406 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,598 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,319 |
| African Island Countries | 0 | - | 4.96 | 100,900 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,887 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,799 |
| Australian States and Territories | 0 | - | 4.96 | 141,045 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,050 |
| Australia True or False | 0 | - | 4.87 | 56,555 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,212 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,265 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,382 |
| North America Map Quiz | 0 | - | 4.98 | 244,967 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,845 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,553 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,288 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,722 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,957 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,344 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,549 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,219 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,972 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,338 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,436 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,553 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,837 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,419 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,650 |
| European Geography A-Z | 0 | - | 4.28 | 49,037 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,572 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,792 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,398 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,316 |
| Slavic Countries | 0 | - | 4.96 | 110,975 |
| Austria... or Australia? | 0 | - | 4.68 | 103,940 |
| Word Chain - France | 0 | - | 4.38 | 42,606 |
